修改

app/Http/Controllers/admin/RechargeChannel.php

@@ -50,7 +50,7 @@ class RechargeChannel extends Controller
             $params = request()->validate([
                 'id' => ['nullable','integer'],
                 'name' => ['required','string'],
-                'type' => ['required','string'],
+                'type' => ['required','array'],
             ]);
             
             $params['type'] = implode(',', $params['type']);